The World Health Organization estimates that over four million of the almost ten million people who fell ill with tuberculosis in 2020 were not diagnosed. One obstacle to more people being diagnosed is the fact that most current tests require people to produce sputum – something children and some people living with HIV find difficult. Tiyese Jeranji looks at a new fingerstick blood test that may help diagnose more people quicker.
In recent months, the world has seen unprecedented investment in new vaccines. Yet, while a COVID-19 vaccine proven to be safe and effective may be less than a year away, a new tuberculosis vaccine might only be ready to be rolled out in a decade, despite a massive head start over COVID-19. Amy Green takes a closer look at the race for a new vaccine for the world’s top infectious disease killer.